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SUMMARY:The eruptive tempo and long-term behaviour of open vent volcanoes 
  - Emma Liu\, University College London
DTSTART:20230307T120000Z
DTEND:20230307T130000Z
UID:TALK176957@talks.cam.ac.uk
CONTACT:Oscar Branson
DESCRIPTION: Open vent volcanoes are persistently active and maintain an u
 nbroken connection between the shallow magma reservoir and the atmosphere.
  These volcanoes are true natural laboratories\, providing an unparalleled
  window into fundamental physical and chemical processes in the subsurface
  that modulate volcanic activity. Open vent volcanoes sustain high fluxes 
 of gas emissions and are therefore the “chimney pipes” of our planet\,
  responsible for shaping the Earth’s atmosphere over geological time and
  for modulating regional air and water quality on human timescales. Lava l
 akes are rare end-members in the expressions of open vent volcanism and ca
 n remain stable for years to decades. Yet\, recent events at Kilauea (Hawa
 ii)\, Ambrym (Vanuatu) and Nyiragongo (DRC) have emphasized how rapidly th
 ese lakes can drain to feed voluminous flank eruptions\, posing substantia
 l environmental and societal hazard. I will review some of the recent adva
 nces and outstanding questions in our understanding of the mechanisms and 
 impacts of open vent activity. In particular\, I will focus on how multi-p
 arameter remote sensing observations—from the ground\, air and space—a
 re providing new perspectives on the eruptive tempo and long-term behaviou
 r of open vent volcanoes.
LOCATION:Department of Earth Sciences\, Tilley Lecture Theatre
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